h1 {
    color:greenyellow;
    text-align: center;
}
legend {
    color:greenyellow;
    font-size: 20px;
}
fieldset {
    margin-bottom: 20px;
}
body {
    background-color: gray;
    color: white;
}
table {
    width: 100%;
}
table th {
    width: 100px;
    padding: 10px;
}
table td {
    padding: 10px;
}
table {
    display: none;
}
legend {
    cursor: pointer;
}